Home / 18,590,892.44-25,658,475.60-15,488,496.32

Finding the Fourth Proportional to 18,590,892.44, 25,658,475.60 and 15,488,496.32

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Solution

The fourth proportional to 18,590,892.44, 25,658,475.60 and 15,488,496.32 is: 21,376,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590,892.44 : 25,658,475.60 = 15,488,496.32 : x
  2. Step 2: Convert to fraction form
    18,590,892.44/25,658,475.60 = 15,488,496.32/x
  3. Step 3: Cross multiply
    18,590,892.44x = 25,658,475.60 × 15,488,496.32
  4. Step 4: Simplify right side
    18,590,892.44x = 397,411,204,907,409.81
  5. Step 5: Solve for x
    x = 397,411,204,907,409.81/18,590,892.44
  6. Step 6: Final answer
    x = 21,376,660.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.